Physics Medium

Electricity & Magnetism

Practice Electricity & Magnetism MCQs as part of Physics.

36 MCQs
Medium difficulty

Questions in this Topic

What is the SI unit of electric current?
Medium
What is the SI unit of electrical resistance?
Medium
Ohm's Law states that voltage equals current multiplied by:
Medium
What is the SI unit of electrical power?
Easy
In a series circuit, the current is:
Medium
What device is used to measure electric current in a circuit?
Easy
Which material is a good conductor of electricity?
Easy
What is the SI unit of electric charge?
Medium
A circuit that provides more than one path for current to flow is called a:
Medium
According to Coulomb's law, the force between two point charges is ___ to the square of...
Medium
What is the SI unit of potential difference?
Easy
What is the SI unit of capacitance?
Medium
What is the SI unit of electric field strength?
Medium
What is the magnitude of the charge on one electron?
Medium
What is the electric field inside a hollow charged conducting sphere?
Hard
Kirchhoff's current law is based on the conservation of:
Medium
Kirchhoff's voltage law is based on the conservation of:
Medium
What is the SI unit of resistivity?
Medium
What is the equivalent resistance of two 10 Ω resistors connected in parallel?
Easy
What is the equivalent resistance of two 10 Ω resistors connected in series?
Easy
Electrical power is the product of voltage and:
Easy
The kilowatt-hour (kWh) is a unit of:
Medium
What is the frequency of the AC electricity supply used in Pakistan?
Easy
Which property is most important for the wire used in a fuse?
Medium
What is the purpose of the third (earth) pin in a household plug?
Easy
In which direction does conventional current flow in a circuit outside the battery?
Easy
A glass rod rubbed with silk becomes positively charged because it:
Medium
A transformer works on the principle of:
Medium
A step-up transformer has:
Medium
According to Faraday's law, the induced emf is proportional to the:
Medium
Lenz's law is an example of the law of conservation of:
Hard
What is the SI unit of inductance?
Medium
The RMS value of an AC voltage with peak value V₀ is:
Hard
Which device stores electric charge and energy in an electric field?
Easy
A p-n junction diode mainly allows current to flow in:
Medium
What happens to the resistance of a superconductor below its critical temperature?
Hard
Topic Info
SubjectPhysics
TopicElectricity & Magnetism
Total MCQs36
DifficultyMedium
Start Practice